If you have compiz enabled it often causes this problem with ATI cards. Try
turning it off.
Josh
On Wed, Jun 16, 2010 at 7:23 PM, Narasimhan Rajagopal <
narasimhan1990@yahoo.co.in> wrote:
> the cpu usage problem is resolved when i installed ati proprietary
> drivers(via system->administration->hardware drivers). and there is no delay
> in stage. but now there is another problem. the stage and rviz screen
> flickers and makes it almost impossible to comprehend whats been displayed
> in the screens.
>
>
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